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Hello, everyone. This is my first post. Hopefully someone will be able to clue me in on some things!
I'm at the tail end of a total bathroom reno, and am just about ready to put the toilet back in, but I'm wondering about the old flange that's in there. It's in ok shape, but I don't understand how it was held down before. I'm thinking it was just embedded in the old (nearly inch thick) cement that was holding the tiles down.

Anyway, the 2 pics below will better illustrate what I'm up against. I'm basically wondering 2 things:

1. Since my plywood subfloor doesn't come quite close enough to the pipe & closet flange to use it to fasten the flange to, could I just fasten some wood around the pipe from below (in the basement), and use longer screws to hold the flange in place?

2. There seems to be a bit of space between the top of the pipe and the flange. Do I need to fill this space? or worse, shorten the pipe? It's only about 1/4"

thanks for any help!


 

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Still don't have photos, but the basics for a toilet flange are that the flange should be securely fastened to the floor and then the toilet securely fastened to the flange. The flange should sit on top of the finshed floor level with only the thickness of the flange above it.
The toilet should be leveled with a level across the bowl. If necessary you can get beveled plastic shims for leveling purposes that can be put around the base. (Stand or sit on the toilet to wiggle it down onto the wax ring seal.)
Do not over-tighten the bolts on the base of the toilet, as porcelain can crack easily. Just get them snug enough so that the toilet cannot move.
For looks, use tub-and-tile caulk with mildew resistant additive in it around the front and sides of the toilet base, but leave the back of the toilet open so that when it ever leaks, it can be detected earlier.
Good luck!
Mike
 
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